Stephen McCullagh, 36, has been jailed for 31 years after being found guilty of murdering Natalie McNally while pretending to play online videogames.

McCullagh (36) was found guilty of murdering his pregnant partner at her home in Lurgan

EXCLUSIVE: Convicted killer Stephen McCullagh used his online notoriety as a YouTuber to create a sick false alibi in a calculated attempt to get away with murdering his pregnant…